CN115200395A - High-efficiency energy-saving clamping plate type capillary heat exchanger - Google Patents
High-efficiency energy-saving clamping plate type capillary heat exchanger Download PDFInfo
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- CN115200395A CN115200395A CN202110387150.2A CN202110387150A CN115200395A CN 115200395 A CN115200395 A CN 115200395A CN 202110387150 A CN202110387150 A CN 202110387150A CN 115200395 A CN115200395 A CN 115200395A
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- clamping plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 210000004907 gland Anatomy 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 3
- 238000003754 machining Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-efficiency energy-saving clamping plate type capillary heat exchanger, which is characterized in that: the shell is formed by installing compression-resistant edge strip steel plates with proper width on the inner sides of the front and rear splints and the inner sides of the tops and bottoms of the splints at two sides, fixing the steel plates by using bolts to lock the two sides, the tops and the bottoms of the shell steel plates, installing front and rear splint tensioning screws at equal intervals outside the two sides of the splints at two sides of the front and rear splint steel plates to form the shell, installing a capillary tube coil inside the shell, vertically installing the capillary tube coil on the tube coil, arranging steel tube headers at two ends, welding the steel tube headers on the header steel tubes in staggered and parallel mode, connecting the two ends of the header steel tubes by using screw threads, opening upper and lower inlet and outlet tube pass tube holes of a heat exchange medium at the corresponding position of the front and rear sides or turning the front and rear sides and the splint steel plates, and sealing the gap between the tube tubes and the splint steel plates by using flange glands and filler; one side of the other side of the front clamping plate and the other side of the rear clamping plate are turned around, pipe holes for inlet and outlet of a shell pass of the heat exchange medium are formed, and a short pipe interface with a flange or a screw thread is welded. All the inner sides of the steel plate splint type structure shell are in contact surface gaps with a heat exchange medium, and sealing gaskets are installed or sealed by adopting mechanical finish machining. Under the high pressure use condition, at resistance to compression strake and splint steel sheet corresponding surface, the unsmooth stiffening groove of processing, the side splint use when high pressure or width are great, between the resistance to compression strake, the rib steel sheet of resistance to compression is suitably strengthened in the welding.
Description
The technical field is as follows: the invention is suitable for a device for mutually converting the temperature of various cold and hot liquids and steam media, or generating steam by high-temperature steam heat exchange, or increasing the temperature of liquid. Can also be used as a heat source for cooling.
Background art: the existing heat exchange device has plate type, shell-and-tube type and other heat exchange modes.
The plate heat exchanger is generally pressed by steel plates, stacked one by one, a sealing gasket is arranged between the plates to form a cold and hot liquid circulation gap, a shell is connected in series by thick steel plates and clamping drawing wires, and heat exchange media are isolated and separated through an inlet and an outlet, so that one side of each heat exchange plate is a heat exchange heat source medium, and the other side of each heat exchange plate is a heat-exchanged medium.
The plate heat exchanger is formed by pressing, large-scale stamping equipment is needed in production, a large-scale stamping equipment workshop is needed to be installed, and stamping dies with various specifications and sizes are needed; the processing technology of the inlet and outlet steel pipes of the plate heat exchanger is complex, and the requirement on processing precision is high.
The plate heat exchanger is only suitable for a heat exchange medium with liquid at a lower temperature due to the limitation of temperature resistance of a gasket, the gaps between the plates are very small, the heat exchange medium and the heat exchanged medium are divided into very small fluids, so that the heat exchange medium can be in full contact with each other, and an ideal heat exchange flow rate can be obtained in design; the heat exchange medium can flow reversely, so that the temperature difference between the heat exchange media is improved, and a good heat exchange effect is achieved.
In order to make the plate heat exchanger usable at high temperatures and pressures, an alpha all-welded plate heat exchanger is then available. A sealing gasket is eliminated between the sheets, a steel clamping plate and a tensioning screw rod are eliminated outside, and full welding is adopted to solve sealing and bear internal pressure.
The plate heat exchanger has compact structure, high heat exchange efficiency compared with other heat exchange equipment, can be manufactured in a factory, occupies small area, is convenient to install, and is ideal heat exchange equipment.
The prior plate heat exchanger has the following defects:
the plate heat exchanger needs large-scale stamping equipment, more precise processing equipment and technology in production and manufacture, and the equipment and production workshop investment is high.
Because the clearance between the plate heat exchanger slab is too little, it is very high to the clean degree requirement of heat transfer medium, otherwise cause easily that piece and piece are unclean the material bonding and block up or the scale deposit and can not normal use, whole washing is more difficult, if the dirt piles up unable clean up, often need to dismantle the clearance piece by piece, and seal gasket can only disposable during it, if dismantle, need whole change, cause the wasting of resources, and the clearance maintenance degree of difficulty is very big, takes trouble hard.
The separation of the gaps between the plates of the plate heat exchanger and the heat exchange media at the inlet and the outlet is mainly realized by gaskets between the plates, so that the gasket requirement is high. However, in the prior art, the problem that the device can normally operate at high temperature and high pressure, especially the device can not adapt to the operation of heat exchange media such as steam heat exchange media, heat transfer oil media and the like, and an additional pressure and temperature reduction device needs to be added or the device can not be used at all can not be solved.
The all-welded alpha plate heat exchanger is of an all-welded structure, can bear certain high-temperature and high-pressure environment, but cannot be disassembled due to the fact that heat exchange pieces are blocked or damaged, and is large in dredging or single-piece replacement difficulty, and besides factory return maintenance, no other method is available, and the all-welded alpha plate heat exchanger is actually used once.
Plate heat exchanger, no matter what kind of form, all can not use under unclean heat transfer medium condition, otherwise, cause the jam easily and can not operate.
A shell-and-tube heat exchanger is a device which is formed by welding a heat exchange steel tube in a circular shell or a container and arranging a partition plate to separately operate heat exchange media so as to achieve the purpose of heat exchange. The shell-and-tube heat exchanger can bear high temperature and high pressure.
The positive displacement heat exchanger has the following defects:
except for the floating coil heat exchanger, the heat exchange medium of the displacement heat exchanger is mixed flow due to the structural defect, so that the heat exchange medium can not reversely flow for heat exchange, the heat exchange efficiency is greatly reduced, and the difference of the heat efficiency is more than 10-20% compared with that of a plate heat exchanger. In addition, the volume and the weight are large, the occupied area is large, and the installation difficulty is large.
The floating coil heat exchanger can enable a heat exchange medium to reversely flow, but can be used in a low-pressure steam state due to the limitation of materials and a manufacturing process, cannot bear pressure under a high-pressure steam condition, is difficult to use and has larger volume than a plate heat exchanger; and because of the limitation of the manufacturing process, products with larger capacity cannot be designed and produced.
The common defects of the plate heat exchanger and the positive displacement heat exchanger are that devices such as a steam condensate water trap and the like are required to be installed when steam is used for heat exchange, and the steam condensate water is generally discharged at the temperature of more than or equal to 100 ℃, so that great energy waste, equipment capital and installation labor investment are caused. Because of the high tightness required by the discharge of the steam and the condensed water, the steam and the condensed water can not be tightly sealed after being slightly worn, thereby causing the leakage of the steam and the condensed water, having short service life of equipment and causing great energy waste and equipment investment.
All the heat exchangers are used under high-temperature and high-pressure steam, and ideal heat exchange effect can be achieved only through several stages of heat exchange.
The invention content is as follows: the invention aims to provide a novel efficient energy-saving clamping plate type capillary heat exchanger.
The technical scheme adopted by the invention is as follows:
the shell is formed by adopting a combined steel plate clamping plate type structure, a heat exchanger shell is formed, a capillary tube and a header are wrapped between the shells to form a heat exchanger tube side, a high-temperature high-pressure clean heat exchange medium runs through the tube side and is driven by a heat exchange medium or a corrosive and unclean heat exchange medium to run on the shell side, and meanwhile, the high-temperature low-temperature heat exchange medium reversely enters and exits, so that the heat exchange efficiency is improved to the maximum extent.
The method is characterized in that: the steel plate clamping plate type structure is provided with a shell consisting of front, rear, left, right, top and bottom steel plates, wherein the shell is tightly close to the inner sides of four sides of the front and rear clamping plate steel plates and the upper and lower sides of the inner sides of the side clamping plate steel plates, compression-resistant edge strip steel plates with proper width are installed and fixed by bolts, the two sides, the top and the bottom clamping plates are locked, and front and rear clamping plate wire drawing screws are installed on the two sides of the front and rear clamping plates and the side clamping plates at equal intervals according to the requirement of pressure-bearing strength so as to form the shell of the clamping plate steel plates.
The capillary tube coiled calandria is installed in the steel plate shell, the calandria is vertically arranged in a straight line, steel pipe headers are arranged at two ends of the calandria, the calandria are staggered and welded at the inner side of the steel pipes in the header, the two ends of the steel pipes in the header are equal in length, the two ends of the steel pipes in the header are connected through screw threads, and the steel pipes are used as heat exchange medium pipe passes to be imported and exported or are blocked blindly according to process requirements.
The pipe holes are opened at the position corresponding to the capillary snakelike calandria header at one side of the front clamping plate and the rear clamping plate, and the gap between the pipe holes and the clamping plates is sealed by a flange gland and a filler; and the other side of the front clamping plate or the other side of the front clamping plate is turned around to form an inlet and outlet pipe hole of the shell pass of the heat exchange medium, and a short connecting pipe with a flange or a screw thread is welded.
The steel plate clamping plate type structure gap, all with heat transfer medium contact surface, all need the installation sealed pad or adopt mechanical finish machining sealed face, prevent that heat transfer medium from leaking.
Under the high pressure condition, the front and back splint steel plates are processed with appropriate concave-convex structures at the corresponding positions of the pressure-resistant edge strips so as to increase the friction and pressure-resistant strength of the shell steel plate.
When the side plate is used under high pressure or the width of the side plate is larger, the compression rib reinforced steel plate with proper height can be welded between the side compression edge strips so as to increase the compression strength of the side plate.
The heat exchange medium flow of the invention is as follows: the shell side heat exchange medium is in an upper inlet and a lower outlet; the tube side heat exchange medium enters from the bottom and goes out from the top or is reversely connected according to the situation, in short, the heat exchange medium and the heat-exchanged medium flow reversely to achieve the optimal heat exchange effect.
The invention has the following effects:
the heat exchange equipment provided by the invention has the advantages of simple production and manufacturing process, low labor cost, small product volume, small occupied area, convenience and safety in assembly, installation and use, high heat exchange efficiency and simplicity and quickness in product maintenance.
The invention does not need large-scale production equipment, high and large workshops and high-end technology, the production field is enough for product material to run, and the product can be produced by simple small machine tool equipment, welding equipment, capillary bending and proper hoisting equipment which can adapt to product production, the investment is small, and the effect is quick.
The heat exchange efficiency of the invention is superior to that of the common plate heat exchanger, especially the heat exchange of steam, and the heat exchange efficiency can be improved by more than 15%. When the product is designed, the heat exchange length of the capillary tube is properly set according to heat exchange requirements, the heat exchange medium flows downstream and is gradually cooled, especially steam heat exchange is used, steam and condensate water are cooled in the flow, the water blocking phenomenon of the condensate water in the running process can not be caused, the latent heat of the steam and the sensible heat of the condensate water can be simultaneously utilized, and therefore the temperature control device is used under the condition that devices such as a steam condensate water trap and the like are not used, and ideal temperature condensate water is directly discharged according to the setting.
The invention can directly discharge the condensed water with ideal temperature, the condensed water in low temperature state can be directly fed into the boiler through the pipeline system and the proper device is arranged, and the condensed water is directly fed into the boiler through the boiler water feeding pump, like realizing a closed circulating water feeding system through a circulating system similar to a hot water boiler, so that the boiler water feeding is prevented from contacting with air, the impurity pollution is reduced, the oxidation corrosion and scale blockage of the boiler deaerating device and boiler body equipment are reduced, and the water and the energy are saved.
The invention can be directly used under the high temperature and high pressure of steam, and can also directly convert high temperature and high pressure steam waste gas into clean steam, so long as the design and calculation are reasonable, the heat exchange medium can directly approach or reach the temperature of the heat-exchanged medium once, the heat exchange of several stages required by other heat exchangers is abandoned, and the ideal heat exchange effect can be achieved.
If the invention adopts special materials, the invention can be used in high-corrosion and unclean environment, and can be continuously used as long as the heat-exchanged clean medium flows in the tube pass, the high-temperature, high-corrosion and unclean environment contains the easily-bonded heat exchange medium which flows in the shell pass, and the bonded substances are easily blown and swept by the non-bonded coating and the high temperature and the high pressure. In case of accumulation of impurities in the shell, the whole cleaning or the opening of the shell for cleaning is also simple, convenient and quick.
The invention has simple assembly and overcomes the defects of a large number of gaskets used by the plate heat exchanger, thereby reducing resource waste, equipment investment and assembly labor cost.
Description of the drawings:
the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the assembled housing shape of the present invention;
FIG. 2 is a schematic view of the heat exchange capillary tube coil and its assembly with a tube side header according to the present invention;
fig. 3 is a schematic view of the assembly of the heat exchange capillary tube coil and the housing of the present invention.
Detailed Description
As shown in the figure: the invention includes: 1. 2, 3 and 4 are front and back, two sides, top and bottom shell steel splints 5, 6 and 7, wherein the four inner surfaces of the front and back shell steel splints and the upper and lower inner surfaces of the two side steel splints are provided with pressure-resistant edge strips which are fixed to the top by bolts, 8 is a sealing flange gland for pipe pass outlet pipe holes of the front and back shell steel splints, 9 and 12 are fixed by bolts, 10 and 11 are front and back shell steel splint pipe pass outlet pipe holes and header inlet and outlet steel pipes, and 11 are front and back shell steel splint pipe pass outlet pipe holes, and short steel pipes 13 are welded and connected to form front and back shell steel splints and two side shell steel splints, and 14 are reinforced wiredrawing bolts 15 on the outer sides of the two side shell steel splints, namely heat exchange surface capillary pipe pass header steel pipes 16 are manufactured for heat exchange capillary coil pipe pass headers, 17 is a schematic welding diagram of the heat exchange capillary coil header assembly and the shell steel splints, 18 is a schematic welding reinforced rib for the two side shell steel splints when a top exhaust device 19 is necessary.
Claims (6)
1. The novel sealing device is characterized by comprising a steel plate clamping plate type structure, wherein a shell is composed of front, rear, left, right, top and bottom steel plates, compression-resistant edge strip steel plates with proper widths are installed on four sides of the inner sides of front and rear clamping plates and the inner sides of the tops of the clamping plates on the two sides, the top and the bottom shell steel plates are locked by using bolts, front and rear clamping plate tensioning screws are installed outside the two sides of the clamping plates on the front and rear clamping plates at equal intervals to form the shell, and the tensioning screws are installed outside the tops of the clamping plates on the two sides to increase the sealing strength.
2. The capillary snakelike calandria is vertically installed at the upper part and the lower part in the splint shell, a steel pipe collection box is arranged at two ends of the splint shell, the capillary snakelike calandria are staggered and welded on a steel pipe collection box side by side, the two ends of the steel pipe collection box are equal in length and are connected by screw threads, and the steel pipe collection box is used as a heat exchange medium pipe pass inlet and outlet or is blocked blindly according to process requirements.
3. Opening pipe holes of a pipe pass of the capillary pipe header at one side of the front clamping plate and the rear clamping plate or at the corresponding part of the U-turn and the capillary pipe header, and sealing a gap between the pipe holes and the clamping plate steel plate by adopting a flange gland and a filler; the other side of one surface of the front clamping plate and the back clamping plate is turned around, an inlet and an outlet of a shell pass of the heat exchange medium are arranged, and a short pipe interface with a flange or a screw thread is welded.
All the inner sides of the steel plate shell are in contact with the heat exchange medium in a gap, and a sealing pad is installed or sealed by adopting mechanical finish machining, so that the heat exchange medium is prevented from leaking.
4. Under the condition of high pressure, concave-convex grooves are processed at the corresponding positions of the clamping plate steel plate and the compression-resistant edge strips so as to increase the friction compression strength.
5. The side clamping plates are used at high pressure or when the width is larger, and the compression-resistant rib steel plates can be welded properly among the compression-resistant edge strips.
6. An exhaust valve pipe hole is formed in the upper surface of the top clamping plate steel plate, and an exhaust valve is arranged; and a steel plate is clamped at the bottom, a pipe hole of the drain valve is opened, and the drain valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387150.2A CN115200395A (en) | 2021-04-12 | 2021-04-12 | High-efficiency energy-saving clamping plate type capillary heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387150.2A CN115200395A (en) | 2021-04-12 | 2021-04-12 | High-efficiency energy-saving clamping plate type capillary heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115200395A true CN115200395A (en) | 2022-10-18 |
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ID=83570798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387150.2A Pending CN115200395A (en) | 2021-04-12 | 2021-04-12 | High-efficiency energy-saving clamping plate type capillary heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115200395A (en) |
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2021
- 2021-04-12 CN CN202110387150.2A patent/CN115200395A/en active Pending
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